Abstract
It is considered that concrete gravity dams constructed by the rationalized construction methods such as the RCD method or the ELCM (Extended Layer Construction Method) are more advantageous to thermal stress than the conventional construction method, for the concrete has a little content of cement and is placed rapidly and continuously.
With regard that, the authors carried out thermal stress analysis by the Restraint Matrix Method in order to study on thermal strain in the dam body.
As a result, the proposal for placing speed in the rationalized construction method is to be attempted introducing the relative placing speed which is placing speed divided by dam height.
